* You would be able to share your media library, playlists or stats with your Gmail contacts or the whole world.

* Google Media Player would suggest what other songs to listen.

* Google Media Player could play contextual music: let's say you read a novel by Gabriel Garcia Marquez on your computer. Feed Google Media Player a fragment from the novel and let it find the most appropriate songs from your computer or from online streams.

* Google Media Player would show the latest news from the artist that plays the current song, images from Google Images or what other people think about this song.

* Google Media Player's search functionality would be complex. If you search for "Bjork", you'll also find artists with similar music or artists influenced by her music.